About HAVING

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JDO Doc
3

setUserObject(o)

Method javax.jdo.PersistenceManager void setUserObject(   Object o ) The application can manage the PersistenceManager instances more easily by having an application object associated with each PersistenceManager instance. Parameters: o - the user instance to be remembered by the PersistenceManager Since: JDO 1.0 See Also: getUserObject
Forum
2

IDs of Entities suddenly became UUIDs?

Hi, We're having our system with ObjectDB 2.4.5 in production since this year April and it works ... Objects in the DB are having the field "myId" as type "String" and with an UUID ... we use are affected by this. Many of them having mixed Long and UUID String ids in the same entity type
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2

JPQL query to get entities that does not have a child entity in their child entities

_Started        2105:12:10 14:00:00      004 From these 2 tables I have to query for Jobs having states FINISHED, CANCELED, FAILED and ACTIVE. FINISHED:   A Job having status 'Finished'. CANCELED: A Job having status '%Canceled' and not ('Finished'). FAILED:      A Job having status '%Failed' and not
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2

Index causes increased memory usage

with us with understanding what is going on behind the scenes inside object db.  When you refer to having "30 open databases", are you talking about having 30 PersistanceManagers open?  Or 30 ... , it is greatly appreciated. > When you refer to having "30 open databases", are you talking about having 30
Issue
2

Once served to JSF page via @EJB query bean, many list fields are null (but same query ok after fresh persist in @PostConstruct)

possible and fix this carefully. I look forward to having this fixed and to having a robust ObjectDB ... moment when a JSF developer having performed a query in an EJB and having returned that from a JSF
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2

Updating Entities

the fact that I'm having to cycle through each Employee object to update their references - so I'm going ... is about over. OK. Note that having a separate object context for every EntityManager is a very basic ... the specific object needed. This works to unify changes between the two EMs. The downside to this is having
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2

Java 9 support

without me having to know what is really required by what. You can see that my tool and approach is designed for "just me" to get true Java 9 without having to wait on third parties but at the sacrifice of having everything exposed (which is fine because I am the only one using my modules
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2

find repeated records by JPQL

(select id from TTT s group id having count(id)>1) I dont know how to do this using JPQL, but I use ... . The inner query in #1 contains GROUP BY / HAVING. The outer query in #1 contains the IN operator ... ) Then you doubt the relation between #1 and #3 !!!!!!   Indeed I don't get the point since in #3 there is no GROUP BY / HAVING. gzdillon
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2

How Should I Configure objectdb.conf to Obtain 256KB Disk IO Requests and Maximize Shared PersistenceManager Entity Cache?

mentioned above) appropriate to achieve this goal?   Having larger database pages may have other effects (e ... performance at that size and reduces monetary fees by having fewer accesses). > What is stored in ... fees by having fewer accesses). So a page size of 256K may work for you. But you may want
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2

Object DB vs EclipseLink/TopLink: Unloaded relationships in detached entities

factory after having detached the entity, the detached entity finds how to load the entities of the lazy ... and as few as possible without having to surrender the adequate representation of a single datum ... things as simple as possible, but not simpler.”   Having remarked on the ObjectDB JavaEE tutorials